Qiluo Jun, eldest daughter of a merchant family, leads a double life as Feifan Jun. Exiled to Beixuan, she faces hardships but escapes when her family's fortune is stolen by the prince and her sister's husband.

Seven evil thoughts capable of corrupting human nature were sealed into bamboo strips by Lao Zi using the Phoenix Lock. Unexpectedly, these cursed strips resurface, threatening to unleash chaos.

Hong Xingxing, a former military captain struggling to find stable work, crosses paths with Wei Lan, a genius CEO, when she mistakenly intervenes in a robbery. As they work together, their awkward relationship gradually turns into a romantic bond.